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Home >> Cadillac >> 2006 >> STS V >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (HVAC System - Automatic) >> Component Locator >> HVAC Connector End Views >> HVAC Control Module C1

HVAC Control Module C1

WARNING: This page is about a different car, the 2007 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module C1 Connector End View
GM1664585Courtesy of GENERAL MOTORS CORP.
HVAC Control Module C1 Connector Part Information

Connector Part Information 
  • OEM: 7283-4544-30
  • Service: See Catalog
  • Description: 18-Way F Kaizen 0.64 (BK)
Terminal Part Information 
  • Terminal/Tray: 7116-4618-02/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)
HVAC Control Module C1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 GY 705 5-Volt Reference
2 YE 1649 Blower Motor Relay Supply Voltage
3 WH 193 Rear Defog Relay Control
4 D-GN 5060 Low Speed GMLAN Serial Data
5 D-GN 5060 Low Speed GMLAN Serial Data
6 - - Not Used
7 GY/BK 754 Blower Motor Speed Control
8 - - Not Used
9 RD/WH 2440 Battery Positive Voltage
10 YE 61 Low Reference
11 BK/WH 351 Ground
12-17 - - Not Used
18 BN 141 Ignition 3 Voltage
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